The iPhone 15 has a new optimized charging setting — here's how it works - The Verge

Apple’s iPhone 15 and 15 Pro will now let you limit battery charging to 80 percent in an effort to extend the battery’s longevity.

iPhone 15 Introduces New Battery Settings Option

How to Prevent Your iPhone 15 Battery Charging Beyond 80% - MacRumors

iPhone 15 Brings New Battery Settings Option to Limit Charging

Apple iPhone 15 and iPhone 15 Plus Review: It's OK Not to Love

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iPhone 15/15 Pro Max: How to Set Charging Optimization to 80

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iPhone 15/15 Pro Max: How to Set Charging Optimization to 80

iPhone 15's battery health feature will keep it alive longer